1、Automatic Charging: The internal resistance and leakage resistance of the battery are automatically charged, very convenient! 2、Safe Use: This module can effectively defend battery from undervoltage and short circuit, use it with confidence! 3、Strong Adaptability: This module possesses strong adaptability to input power supply, which can improve the charging efficiency. 4、Easy Carrying: Comes with small size and lightweight, you can easily take this module with you to help with your work. 5、Ideal Replacement: This module with excellent performance and portability, ideal replacement for the old and damaged parts. Item Type: Battery Charger Module Material: PCB 1 x Battery Charger Module